MongoDB Associate Data Modeler Exam Practice Test

140 questions available

Build your confidence for MongoDB Associate Data Modeler Exam. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.

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Certification exam
70 Exam questions
1 hour 15 minutes Time Limit
Associate Level
Your practice
140 Practice questions
2 hours 20 minutes Practice Time
Try 5 free questions
No account needed. A free account includes 20 questions for this exam.
The bar to clear 60 Published passing score for this certification.
Explore exam topics Official objectives from MongoDB
MongoDB140 practice questions
Blueprint verifiedChecked against MongoDB official objectivesMetadata verified 2026-06-07How we verify

Exam overview and details

The MongoDB Associate Data Modeler certification validates expertise in designing and implementing effective data models for MongoDB's document database. This professional credential demonstrates mastery of core concepts including entity identification, relationship modeling, schema design patterns, and evolution strategies. Certified professionals can translate complex business requirements into optimized, scalable MongoDB schemas that balance performance, flexibility, and maintainability. The certification covers the complete data modeling lifecycle-from initial analysis through CRUD operation optimization to schema evolution-ensuring holders possess practical skills for real-world document database design. Earning this certification signals to employers a validated ability to architect data solutions that leverage MongoDB's document model effectively, making certified individuals valuable assets for organizations implementing or scaling MongoDB deployments. The credential is recognized globally as a benchmark for document-oriented data modeling proficiency.

Sample Questions

Choose an answer and explore the explanation to see how practice works.

Identifying and Modeling Entities

A retail team is moving an order workflow from a relational schema to MongoDB. The order confirmation page always reads the order header, shipping address snapshot, payment authorization status, and line items together; line items are not queried outside the order. Which entity boundary should the model use?

Identifying and Modeling Entities

A profile service stores user privacy settings that are always read and updated with the user profile. Settings are small and have a strict one-to-one relationship with the user. Which model is most appropriate?

Identifying and Modeling Entities

A travel booking service needs to display a reservation with passenger names exactly as they were at purchase time, even if a passenger later changes their account profile. Which entity detail should be embedded in the reservation?

Identifying and Modeling Entities

A restaurant app stores menus and menu items. Items are displayed only through their menu, edited together during menu publishing, and the item count is capped by business rules. Which entity model fits?

Identifying and Modeling Entities

A medical scheduling system stores providers. Doctors, nurses, and therapists share name, license, and location fields, but each role has a few role-specific fields and all providers appear in one search result. Which entity model is most appropriate?

Career Opportunities & Salary

Median salary: $104,620– Database Administrators

Source: BLS Occupational Employment and Wage Statistics, May 2025 -- Database Administrators (SOC 15-1242), US national. Occupation median, not a certification salary. (2025)

Database Administrators

Exam insights and study advice

In today's data-driven landscape, the ability to design efficient, scalable data models is a critical differentiator for technology professionals. This certification provides formal industry recognition of specialized skills in MongoDB's document paradigm, directly enhancing career credibility and marketability. Employers increasingly seek validated expertise to ensure optimal database performance and cost management. Holding this credential demonstrates commitment to professional development and positions you for roles such as Data Modeler, Database Architect, Solutions Architect, and Senior Developer. It bridges theoretical knowledge with practical application, giving certified professionals confidence to make architectural decisions that impact application performance, development velocity, and long-term system maintainability.

What this exam covers

Use the published domain weights to plan your study. Practice results do not predict your certification exam score.

01CRUD with Data Models

20%

02Identifying and Modeling Entities

20%

03Patterns

20%

04Relationships

20%

05Schema Evolution

20%

Exam Details C100DM | $150 USD | 1 hour 15 minutes

Exam Code C100DM
Vendor MongoDB
Exam Cost $150 USD
Passing Score 60
Time Limit 1 hour 15 minutes
Exam questions 70
Question Types Multiple choice (100%), Scenario-based (85%)
Retake Policy Full exam fee required for retake.
Exam Format Online proctored multiple choice
Online Proctoring Available
Available In
English

Frequently Asked Questions

What prerequisites are recommended before attempting this certification?

How does document data modeling differ from relational modeling, and why is this important?

What specific schema design patterns are covered in the exam?

How is schema evolution addressed in a document database context?

What types of relationships between entities are tested?